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Guy Ottewell

On and in extinction

“I am living a few hundred feet above a scar, a surface representing the worst disaster ever inflicted on planet Earth.”

Our line of sight to bright planets today

This chart – from astronomer Guy Ottewell in England – shows the paths of the planets in April and May, and sightlines from Earth to them on April 29.

April 21 is Astronomy Day

A beautiful chart from astronomer Guy Ottewell, showing the evening sky on Astronomy Day 2018. Plus links to Astronomy Day events and other info.

Oumuamua’s path in our solar system

You’ve probably read about this unprecedented visitor from interstellar space. Astronomer Guy Ottewell thought you’d like to see its trajectory through our solar system.

Sun on the sky’s equator

Another great explanation of Friday’s equinox – plus beautiful graphics – from astronomer Guy Ottewell.

Moon on its way to the eclipse

Insights and a cool chart from astronomer Guy Ottewell. Plus, if you click in, you’ll find photos of waning crescent moons from the past few mornings …

A shadow-band project for August 21

Shadow bands are elusive ripples of alternate light and dark, flitting over the ground or the sides of buildings during a total solar eclipse. How to take part in an International Shadow Band Campaign during the August 21 eclipse.

The eclipse is just 2 lunations away

As we approach another new moon, astronomer Guy Ottewell shares his profound understanding of lunar cycles and the coming total solar eclipse.

The undark nights of summer

Guy Ottewell lives in England. His illustrations of 3-dimensional space are illuminating. Long summer twilights, explained.

Planet circus in May, with explanation

A beautiful spatial view of our solar system from Guy Ottewell, showing the planets’ paths along their orbits in approximately mid-May, 2017, with sightlines to them from the Earth.